Answers

Add 84/30 and 9/84

1^st number: 2 24/30, 2^nd number: 9/84

84/30 + 9/84 is 407/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   84/30 = 84 × 14/30 × 14 = 1176/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   9/84 = 9 × 5/84 × 5 = 45/420
4. Add the two like fractions:
   1176/420 + 45/420 = 1176 + 45/420 = 1221/420
5. 1221/420 simplified gives 407/140
6. So, 84/30 + 9/84 = 407/140
   In mixed form: 2127/140

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